About Me

Senior Android Developer with 6+ years building scalable mobile solutions for enterprises and startups. Architected SDK serving 10M+ users across NBA, LaLiga, and Wimbledon apps with 99.9% crash-free rate. Specialized in performance optimization, CI/CD automation, and cross-platform development with Kotlin Multiplatform and React Native. Proven technical leader who mentored 40+ developers to 92% certification success. Seeking senior roles in product companies building consumer-facing applications.

Experience

Timewarden

Feb 2025 – Present

  • Building cross-platform time tracking app from concept to launch with full product lifecycle management
  • Architected KMM-based solution sharing 100% business logic between iOS and Android with Compose Multiplatform UI
  • Engineered offline-first architecture using Powersync for seamless data sync across devices

Storyteller

Apr 2022 – Feb 2025

  • Engineered production-grade Android SDK deployed across NBA, LaLiga, and Wimbledon apps serving 10M+ MAU with 99.9% crash-free rate
  • Implemented ExoPlayer-based video playback with Google Ads integration for client monetization
  • Led UI modernization from legacy Views to Jetpack Compose, reducing UI development time by 35%
  • Promoted to Android Team Lead for 8 months, managing 4 developers and conducting 20+ technical interviews

Vodafone

May 2021 – Mar 2022

  • Developed mission-critical payment features for super-app serving 8M+ Egyptian users
  • Built Fakka and Mared payment services handling 2M+ EGP monthly transactions with 99.9% uptime
  • Refactored 15K+ lines of legacy code to Clean Architecture, reducing complexity by 40%
  • Increased unit test coverage from 20% to 75% with automated testing pipeline

Upwork (Freelance)

Apr 2019 – Mar 2021

  • Delivered custom Android applications for international clients with 5.0/5.0 satisfaction rating
  • Implemented and enforced Test-Driven Development methodologies across project components
  • Collaborated with stakeholders to resolve critical Accessibility (A11Y) and UI/UX defects

Values

SDK development
I specialize in authoring and integrating SDKs. Built production-grade SDKs used by millions across enterprise apps.
Remote-first
Experienced remote contributor with 3+ years working across distributed teams in different time zones.
No crypto
I don't work on cryptocurrency, blockchain, or Web3 projects.
No dating apps
Not interested in working on dating, matchmaking, or relationship apps.
Work stays at work
My phone doesn't have Slack, email, or code reviews. After hours, I'm professionally unreachable—it's a feature, not a bug.
Product-focused
I thrive in product companies building consumer-facing applications with real user impact.

Interested in working together? Get in touch.